What will our sun become at the end of its life cycle?
THe Sun will become a white dwarf at end of its life cycle.
Sun is now in main sequence,. After about 5 billion years the hydrogen will finish and stars mass will become very less..At this stage due to less gravity Sun will expand to a red giant..Outer layers will be puffed out and in the core a highly dens white dwarf will remain . picture credit cyberpahysics.co.UK,